a man living on the frontier especially one who lived in the western US during the 19th century (尤指 19 世纪美国西部的)开拓者,拓荒者,边远地区居民 CultureIn America, such people moved west in the 18th and 19th centuries and helped to increase the size of the United States. Famous frontiersmen include Davy Crockett, Daniel Boone, Kit Carson and Buffalo Bill.